EDEric Davidinericdaviddev.hashnode.dev·Jun 9 · 8 min readDesigning Idempotent Payment Ingestion WorkflowsIn the first BillingTracker post, I focused on the relational foundation: tenants, source systems, external identifiers, payments, ingestion runs, errors, and sync state. The next step was proving tha00
EDEric Davidinericdaviddev.hashnode.dev·May 30 · 10 min readDesigning the Core Schema for a Billing Ingestion PlatformI’ve been building a backend/data-platform project called BillingTracker focused on modeling the kinds of problems that appear in billing and ingestion systems: multi-tenant ownership, external source00
